/*
 *  Copyright Beijing 58 Information Technology Co.,Ltd.
 *
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package com.bj58.oceanus.core.jdbc;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
 

/**
 * WatchableOutputStream
 * 
 * @author Service Platform Architecture Team (spat@58.com)
 */
class WatchableOutputStream extends ByteArrayOutputStream {
	// ~ Instance fields
	// --------------------------------------------------------

	private OutputStreamWatcher watcher;

	// ~ Methods
	// ----------------------------------------------------------------

	/**
	 * @see java.io.OutputStream#close()
	 */
	public void close() throws IOException {
		super.close();

		if (this.watcher != null) {
			this.watcher.streamClosed(this);
		}
	}

	/**
	 * DOCUMENT ME!
	 * 
	 * @param watcher
	 *            DOCUMENT ME!
	 */
	public void setWatcher(OutputStreamWatcher watcher) {
		this.watcher = watcher;
	}
}